00001 // Copyright (C) 2001, 2002, 2003, 2004 EPITA Research and Development Laboratory 00002 // 00003 // This file is part of the Olena Library. This library is free 00004 // software; you can redistribute it and/or modify it under the terms 00005 // of the GNU General Public License version 2 as published by the 00006 // Free Software Foundation. 00007 // 00008 // This library is distributed in the hope that it will be useful, 00009 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00010 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00011 // General Public License for more details. 00012 // 00013 // You should have received a copy of the GNU General Public License 00014 // along with this library; see the file COPYING. If not, write to 00015 // the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 00016 // Boston, MA 02110-1301, USA. 00017 // 00018 // As a special exception, you may use this file as part of a free 00019 // software library without restriction. Specifically, if other files 00020 // instantiate templates or use macros or inline functions from this 00021 // file, or you compile this file and link it with other files to 00022 // produce an executable, this file does not by itself cause the 00023 // resulting executable to be covered by the GNU General Public 00024 // License. This exception does not however invalidate any other 00025 // reasons why the executable file might be covered by the GNU General 00026 // Public License. 00027 00028 #ifndef OLENA_CORE_POINT2D_HH 00029 # define OLENA_CORE_POINT2D_HH 00030 00031 # include <oln/core/coord.hh> 00032 # include <oln/core/point1d.hh> 00033 # include <iostream> 00034 namespace oln { 00035 00036 // fwd decl 00037 class dpoint2d; 00038 class point2d; 00039 00045 template<> 00046 struct point_traits<point2d>: public point_traits<abstract::point<point2d> > 00047 { 00048 enum { dim = 2 }; 00049 typedef dpoint2d dpoint_type; 00050 }; 00051 00063 class point2d : public abstract::point<point2d > 00064 { 00065 public: 00066 00067 typedef abstract::point< point2d > super_type; 00068 typedef point_traits<point2d>::dpoint_type dpoint_type; 00069 00070 friend class abstract::point< point2d >; 00071 00072 point2d(); 00073 00075 00076 point2d(coord row, coord col); 00077 00079 00080 point2d(const point1d& p, coord col); 00081 00083 00084 coord 00085 row() const; 00086 00088 00089 coord& 00090 row(); 00091 00093 00094 coord 00095 col() const; 00096 00098 00099 coord& 00100 col(); 00101 00102 static std::string 00103 name() 00104 { 00105 return "point2d"; 00106 } 00107 00108 protected: 00109 00114 point2d 00115 plus_dp(const dpoint2d& dp) const; 00116 00121 point2d 00122 minus_dp(const dpoint2d& dp) const; 00123 00128 point2d& 00129 plus_assign_dp(const dpoint2d& dp); 00130 00135 point2d& 00136 minus_assign_dp(const dpoint2d& dp); 00137 00142 dpoint2d 00143 minus_p(const point2d& p) const; 00144 00149 point2d 00150 minus() const; 00151 00152 }; 00153 00154 namespace internal 00155 { 00156 00162 template<> 00163 struct default_less<point2d> : 00164 public default_less<point2d::super_type> 00165 {}; 00166 } // internal 00167 00168 } // oln 00169 00171 00172 inline std::ostream& 00173 operator<<(std::ostream& o, const oln::point2d& p); 00174 00175 # include <oln/core/point2d.hxx> 00176 00177 #endif // ! OLENA_CORE_POINT2D_HH